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3 years ago

The suspended load of a stream _____.

Physics

2 answers:

marshall27 [118]3 years ago

8 0

Answer:

The correct answer is option A, usually consists of fine sand, silt, and clay particles

Explanation:

The suspended load of a stream consists of small particle particularly clay, silts and fine sands. During the process of sediment transportation, sediment at the bottom of a channel gets uplifted and remain suspended due to their small size. A suspended sediment load do not cause erosion as it is not in the frictional contact of the stream bed.

denis23 [38]3 years ago

4 0

<span>the first one ( usually consists of fine sand, silt, and clay particles )

Hope im right!(: </span>

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A radar used to detect the presence of aircraft receives a pulse that has reflected off an object 5 ✕ 10−5 s after it was transm

Sunny_sXe [5.5K]

Answer:

7500 m

Explanation:

The radar emits an electromagnetic wave that travels towards the object and then it is reflected back to the radar.

We can call L the distance between the radar and the object; this means that the electromagnetic wave travels twice this distance, so

d = 2L

In a time of

$t=5\cdot 10^{-5}s$

Electromagnetic waves travel in a vacuum at the speed of light, which is equal to

$c=3.0\cdot 10^8 m/s$

Since the electromagnetic wave travels with constant speed, we can use the equation for uniform motion ,so:

$d=vt$ (1)

where

$v=c=3.0\cdot 10^8 m/s$

$t=5\cdot 10^{-5}s$

$d=2L$ , where L is the distance between the radar and the object

Re-arranging eq(1) and substituting, we find L:

$L=\frac{vt}{2}=\frac{(3.0\cdot 10^8)(5\cdot 10^{-5})}{2}=7500 m$

7 0

4 years ago

If gravity on the moon is 1.62m/s, what is the weight of a 200g rock on the moon

igor_vitrenko [27]

324 because when we use the formula for weight which is w=mg; W is weight; M is mass; G is gravity, now we multiply the gravity which is 1.62 m/s times the mass which is 200g and we will have 324. Hope it helps

5 0

3 years ago

Which of the following statements is true about winds from the ocean? (2 points)

aleksley [76]

The correct answers are:

Winds from the ocean reduce the number of clouds.

Winds from the ocean are faster.

HOpe this helps!

7 0

3 years ago

Read 2 more answers

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